Furnace cleaning poll - WHO IS THE BEST?!?

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Time to clean the ducts and furnace, so here is the question:
among all the promises of divine air after the work is done, what are
the
actual experiences of real people out there?

I was quoted roughly $350 for cleaning the furnace exchanger, A/C
coil, and 15 registers (vents).

Please quote your numbers and whether they delivered!
(and what method they used)

Cheers!

[Invalid]

dunno about current price, but Olson Air Vac does proper work - avoid teh
carpet cleaning companies who just use their vacuums

Post by <<<<::>>>>
among all the promises of divine air after the work is done, what are
the
actual experiences of real people out there?
I was quoted roughly $350 for cleaning the furnace exchanger, A/C
coil, and 15 registers (vents).
Please quote your numbers and whether they delivered!
(and what method they used)
Cheers!